Tube-number record
4RP
0 archive entries
4RP is a tube type in the TubeDatabase archive (class: Cathode Ray Tube). Recorded specifications: brand Electronic Tube Corp., construction Display / CRT, base Plastic, socket Duodecal, and maximum plate voltage 3000 V. The archive does not yet hold a photographed example of this type.
BrandElectronic Tube Corp.
ClassCathode Ray Tube
BaseDuodecal
Filament6.3 V @ 300 mA
Construction
Primary TypeDisplay / CRT
EnvelopeRectangular Glass
Base MaterialPlastic
SectionsSingle
Filament / Heater
Heater Notes0.3 Amperes
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation | 3000 V | — | — | — | 0.015 mA |
Application Notes
Designed for compact transistorized equipment. Minimum useful scan 2-1/2 inches horizontal and 2-1/4 inches vertically.
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